Start of lstUrls_of_images_in_html_descriptionThe Fenix ARB-L18-3500 is a high capacity 18650 Li-ion rechargeable with a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. The battery also includes pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion.ARB-L18-3500 Rechargeable Battery3500mAh high capacityProtection circuitry to prevent short circuitsPressure vents to prevent explosions500 charge cyclesVoltage: 3.6VCharging Current: Recommended 1A, maximum 2AWeight: 1.8 ounces (50g)Size: Length: 2.7 (69mm) Diameter: 0.7 (18.6mm)Warranty Period: 12 month from date of purchaseEnd of lstUrls_of_images_in_html_description